C is a major, spelled C, E and G. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is 000x, which is played entirely on open strings, needs no stretch at all, lets 3 strings ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 15.
Notes and intervals
Note
C
E
G
Interval
1P
3M
5P
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
000xis played entirely on open strings, needs no stretch at all, lets 3 strings ring open and mutes 1 stringx003sits at fret 3, needs no stretch at all, lets 2 strings ring open and mutes 1 string500xsits at fret 5, needs no stretch at all, lets 2 strings ring open and mutes 1 string540xsits at fret 4, spans 1 fret, lets 1 string ring open and mutes 1 stringx0010sits at fret 10, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx007sits at fret 7, needs no stretch at all, lets 2 strings ring open and mutes 1 string90010sits at fret 9, spans 1 fret and lets 2 strings ring open90810sits at fret 8, spans 2 frets and lets 1 string ring open0012xsits at fret 12, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx0015sits at fret 15, needs no stretch at all, lets 2 strings ring open and mutes 1 string0003sits at fret 3, needs no stretch at all and lets 3 strings ring open0403sits at fret 3, spans 1 fret and lets 2 strings ring open
Keys C belongs to
C is diatonic to 24 of the 96 keys this app knows, playing a different role in each.